ASAHI PENTAX Z-70 Operating Manual page 37

3. To release the shutter, gently depress the shutter re-
lease button fully down.
* The shutter cannot be released if the subject is out of
focus.
* Depress the shutter release button halfway down.
While [ © ] is on, the-camera-to-subject distance is
fixed (focus lock).
* Once [O] is lit in the viewfinder, the focus is fixed, To
focus on another subject, lift your finger off the shut-
ter release button.
* When the drive mode is set at the consecutive mode
IEN. the lens focuses each time you release the shut-
ter.
* When using the SMC Pentax-F Soft 85mm £/2.8
lens, set the aperture between {//2.8 and 1." Ap. See
page 47 for details.
* When the main subject is off the autofocus frame, use
the focus-lock technique to bring the main subject
into focus. See "Focus Lock Function" on page 34.
Predictive Autofocus Mode
When the camera senses subject movement during the
autofocus operation, the camera will automatically
Switch the focus mode to the predictive autofocus
mode to measure the speed of a moving subject, and
predict where it will be at the moment of shutter re-
lease, to maintain sharp focus on wherever the subject
may move.
* If the subject is moving too fast, the shutter may not
be released.
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